Home / 28,410.26-42,585.82-15,911.96

Finding the Fourth Proportional to 28,410.26, 42,585.82 and 15,911.96

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Solution

The fourth proportional to 28,410.26, 42,585.82 and 15,911.96 is: 23,851.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,410.26 : 42,585.82 = 15,911.96 : x
  2. Step 2: Convert to fraction form
    28,410.26/42,585.82 = 15,911.96/x
  3. Step 3: Cross multiply
    28,410.26x = 42,585.82 × 15,911.96
  4. Step 4: Simplify right side
    28,410.26x = 677,623,611.70
  5. Step 5: Solve for x
    x = 677,623,611.70/28,410.26
  6. Step 6: Final answer
    x = 23,851.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.